1142315000 has 160 divisors (see below), whose sum is σ = 2884701600. Its totient is φ = 422400000.

The previous prime is 1142314993. The next prime is 1142315003. The reversal of 1142315000 is 5132411.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a self number, because there is not a number n which added to its sum of digits gives 1142315000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1142315003) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 7564925 + ... + 7565075.

It is an arithmetic number, because the mean of its divisors is an integer number (18029385).

Almost surely, 2^1142315000 is an apocalyptic number.

1142315000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1142315000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1442350800).

1142315000 is an abundant number, since it is smaller than the sum of its proper divisors (1742386600).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1142315000 is a wasteful number, since it uses less digits than its factorization.

1142315000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 283 (or 264 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 1142315000 is about 33798.1508369911. The cubic root of 1142315000 is about 1045.3505687966.

Adding to 1142315000 its reverse (5132411), we get a palindrome (1147447411).

The spelling of 1142315000 in words is "one billion, one hundred forty-two million, three hundred fifteen thousand".